Table 3.
Respiratory variables during the study protocol
| Variable | NAVA | PSV | p value |
|---|---|---|---|
| RR (rpm) | 24 ± 7 | 23 ± 7 | 0.661 |
| VT/kg (mL/kg) | 5.8 ± 1.1 | 5.6 ± 1.0 | 0.455 |
| VE (L/min) | 8.2 ± 2.5 | 8.0 ± 2.5 | 0.431 |
| MAP (cmH2O) | 12.7 ± 2.4 | 12.5 ± 2.3 | 0.364 |
| Paw (cmH2O) | 21 ± 3 | 19 ± 3 | 0.001 |
| EAdi (µV) | 12.9 ± 6.8 | 11.9 ± 6.9 | 0.285 |
| EAdi/TIn (µV/s) | 19.3 ± 9.4 | 17.3 ± 8.8 | 0.156 |
RR respiratory rate, VT/kg tidal volume for predicted body weight, VE minute ventilation, MAP mean airway pressure, Paw peak airway pressure, EAdi peak of electrical activity of the diaphragm, EAdi/TIn peak of electrical activity of the diaphragm divided for neural inspiratory time − index of respiratory drive
Data presented as mean ± standard deviation, p value obtained by paired t test